Home / 8,514.50-12,768.80-3,250.99

Finding the Fourth Proportional to 8,514.50, 12,768.80 and 3,250.99

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Solution

The fourth proportional to 8,514.50, 12,768.80 and 3,250.99 is: 4,875.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.50 : 12,768.80 = 3,250.99 : x
  2. Step 2: Convert to fraction form
    8,514.50/12,768.80 = 3,250.99/x
  3. Step 3: Cross multiply
    8,514.50x = 12,768.80 × 3,250.99
  4. Step 4: Simplify right side
    8,514.50x = 41,511,306.72
  5. Step 5: Solve for x
    x = 41,511,306.72/8,514.50
  6. Step 6: Final answer
    x = 4,875.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.